2138304208

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{208493}}^1$

素因数の和:209142

約数の個数: 20

約数和(自身を含む): 4149447588

約数和(自身を除く): 2011143380

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 208493, 416986, 833972, 1667944, 3335888, 133644013, 267288026, 534576052, 1069152104, 2138304208]

約数ペア:

[(1, 2138304208), (2, 1069152104), (4, 534576052), (8, 267288026), (16, 133644013), (641, 3335888), (1282, 1667944), (2564, 833972), (5128, 416986), (10256, 208493)]